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Wright NJD. A review of the actions of Nitric Oxide in development and neuronal function in major invertebrate model systems. AIMS Neurosci 2019; 6:146-174. [PMID: 32341974 PMCID: PMC7179362 DOI: 10.3934/neuroscience.2019.3.146] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2019] [Accepted: 07/24/2019] [Indexed: 12/21/2022] Open
Abstract
Ever since the late-eighties when endothelium-derived relaxing factor was found to be the gas nitric oxide, endogenous nitric oxide production has been observed in virtually all animal groups tested and additionally in plants, diatoms, slime molds and bacteria. The fact that this new messenger was actually a gas and therefore didn't obey the established rules of neurotransmission made it even more intriguing. In just 30 years there is now too much information for useful comprehensive reviews even if limited to animals alone. Therefore this review attempts to survey the actions of nitric oxide on development and neuronal function in selected major invertebrate models only so allowing some detailed discussion but still covering most of the primary references. Invertebrate model systems have some very useful advantages over more expensive and demanding animal models such as large, easily identifiable neurons and simple circuits in tissues that are typically far easier to keep viable. A table summarizing this information along with the major relevant references has been included for convenience.
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Affiliation(s)
- Nicholas J D Wright
- Associate professor of pharmacy, Wingate University School of Pharmacy, Wingate, NC28174, USA
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2
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Martinez-Pereira MA, Franceschi RDC, Coelho BP, Zancan DM. The Stomatogastric and Enteric Nervous System of the Pulmonate SnailMegalobulimus abbreviatus: A Neurochemical Analysis. Zoolog Sci 2017; 34:300-311. [DOI: 10.2108/zs160136] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Affiliation(s)
- Malcon Andrei Martinez-Pereira
- Center of Rural Sciences, Federal University of Santa Catarina, 89.520-000, Curitibanos, SC, Brazil
- Neuroscience Graduate Program, Institute of Basic Health Sciences (ICBS), Federal University of Rio Grande do Sul (UFRGS), 90050-170, Porto Alegre, RS, Brazil
- Laboratory of Comparative Neurobiology, Department of Physiology, ICBS, UFRGS, 90050-170, Porto Alegre, RS, Brazil
| | - Raphaela da Cunha Franceschi
- Neuroscience Graduate Program, Institute of Basic Health Sciences (ICBS), Federal University of Rio Grande do Sul (UFRGS), 90050-170, Porto Alegre, RS, Brazil
- Laboratory of Comparative Neurobiology, Department of Physiology, ICBS, UFRGS, 90050-170, Porto Alegre, RS, Brazil
| | - Bárbara Paranhos Coelho
- Laboratory of Comparative Neurobiology, Department of Physiology, ICBS, UFRGS, 90050-170, Porto Alegre, RS, Brazil
| | - Denise M. Zancan
- Neuroscience Graduate Program, Institute of Basic Health Sciences (ICBS), Federal University of Rio Grande do Sul (UFRGS), 90050-170, Porto Alegre, RS, Brazil
- Laboratory of Comparative Neurobiology, Department of Physiology, ICBS, UFRGS, 90050-170, Porto Alegre, RS, Brazil
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Nitric Oxide Synthase in the Central Nervous System and Peripheral Organs of Stramonita haemastoma: Protein Distribution and Gene Expression in Response to Thermal Stress. Mar Drugs 2015; 13:6636-64. [PMID: 26528988 PMCID: PMC4663546 DOI: 10.3390/md13116636] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2015] [Revised: 10/15/2015] [Accepted: 10/19/2015] [Indexed: 12/18/2022] Open
Abstract
Nitric oxide (NO) is generated via the oxidation of l-arginine by the enzyme NO synthase (NOS) both in vertebrates and invertebrates. Three NOS isoforms, nNOS, iNOS and eNOS, are known in vertebrates, whereas a single NOS isoform is usually expressed in invertebrates, sharing structural and functional characteristics with nNOS or iNOS depending on the species. The present paper is focused on the constitutive Ca(2+)/calmodulin-dependent nNOS recently sequenced by our group in the neogastropod Stramonita haemastoma (ShNOS). In this paper we provide new data on cellular distribution of ShNOS in the CNS (pedal ganglion) and peripheral organs (osphradium, tentacle, eye and foot) obtained by WB, IF, CM and NADPHd. Results demonstrated that NOS-like proteins are widely expressed in sensory receptor elements, neurons and epithelial cells. The detailed study of NOS distribution in peripheral and central neurons suggested that NOS is both intracellular and presynaptically located. Present findings confirm that NO may have a key role in the central neuronal circuits of gastropods and in sensory perception. The physiological relevance of NOS enzymes in the same organs was suggested by thermal stress experiments demonstrating that the constitutive expression of ShNOS is modulated in a time- and organ-dependent manner in response to environmental stressors.
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Nacsa K, Elekes K, Serfőző Z. Ultrastructural localization of NADPH diaphorase and nitric oxide synthase in the neuropils of the snail CNS. Micron 2015; 75:58-66. [DOI: 10.1016/j.micron.2015.04.015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2015] [Revised: 04/28/2015] [Accepted: 04/30/2015] [Indexed: 12/15/2022]
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Kueh D, Appiah J, Jellies J. Maturation of peptide-positive synaptic arbors in the medicinal leech requires rhythmic target activity. J Comp Neurol 2013; 521:2833-49. [PMID: 23436395 DOI: 10.1002/cne.23319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2012] [Revised: 12/22/2012] [Accepted: 02/05/2013] [Indexed: 11/10/2022]
Abstract
The formation and refinement of synaptic connections are dependent on the activity that emerges from nascent synaptic connections. Such activity has the effect of regulating the production and release of specific neurotransmitters. To determine the role of activity in regulating the production of peptide-positive synapses, we used antibodies against Phe-Met-Arg-Phe-NH₂ and acetylated α-tubulin as well as intracellular injections of Neurobiotin to examine varicosities belonging to heart excitor (HE) neurons on the heart tubes of medicinal leeches, Hirudo spp. We found that the production of peptide-positive varicosities increased considerably during the last week of embryogenesis, which coincided with the emergence of rhythmic activity of the heart tube. When we compromised central input to HE neurons with bicuculline or by surgical ablation of the central pattern generator during early embryogenesis, we found that activity in the heart tubes and its rhythmicity were greatly diminished. Furthermore, the activity of HE neurons had also lost its rhythmicity and appeared tonic, and production of peptide-positive varicosities was substantially reduced as well. Partial surgical ablations that preserved rhythmic activity in the heart tube while disrupting heart tube innervation by some HE neurons still resulted in peptide-positive varicosity production. Taken together, our results suggest that postsynaptic rhythmic activity of the heart tube is necessary and sufficient for the development and maturation of peptide-positive synapses.
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Affiliation(s)
- Daniel Kueh
- Department of Biological Sciences, Western Michigan University, Kalamazoo, Michigan 49008-5410, USA
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Cioni C, Di Patti MCB, Venturini G, Modica MV, Scarpa F, Oliverio M, Toni M. Cellular, biochemical, and molecular characterization of nitric oxide synthase expressed in the nervous system of the prosobranch Stramonita haemastoma (Gastropoda, Neogastropoda). J Comp Neurol 2012; 520:364-83. [PMID: 21800313 DOI: 10.1002/cne.22729] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Nitric oxide synthase (NOS) has been characterized in several opistobranchs and pulmonates but it was much less investigated in prosobranchs, which include more than 20,000 species and account for most of the gastropod diversity. Therefore, new data from this large group are needed for a better knowledge of the molecular evolution of NOS enzymes in molluscs. This study focused on NOS expressed in the nervous system of the prosobranch neogastropod Stramonita haemastoma. In this study we report compelling evidence on the expression of a constitutive Ca(2+) /CaM-dependent neuronal NOS in the central and peripheral nervous system. The prevailing neuronal localization of NADPHd activity was demonstrated by NADPHd histochemistry in both central and peripheral nervous system structures. L-arginine/citrulline assays suggested that Stramonita NOS is a constitutive enzyme which is both cytosolic and membrane-bound. Molecular cloning of the full-length Stramonita NOS (Sh-NOS) by reverse-transcription polymerase chain reaction (RT-PCR) followed by 5' and 3' RACE showed that Sh-NOS is a protein of 1,517 amino acids, containing a PDZ domain at the N-terminus and sharing similar regulatory domains to the mammalian neuronal NOS (nNOS). Regional expression of the Sh-NOS gene was evaluated by RT-PCR. This analysis showed different expression levels in the nerve ring, the osphradium, the cephalic tentacles, the buccal tissues, and the foot, whereas NOS expression was not found in the salivary glands and the gland of Leiblein. The present data provide a solid background for further studies addressing the specific functions of NO in neogastropods.
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Affiliation(s)
- Carla Cioni
- Department of Biology and Biotechnology Charles Darwin, Sapienza University, 00161 Rome, Italy
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Balog G, Voronezhskaya EE, Hiripi L, Elekes K. Organization of the serotonergic innervation of the feeding (buccal) musculature during the maturation of the pond snail Lymnaea stagnalis: a morphological and biochemical study. J Comp Neurol 2012; 520:315-29. [PMID: 21674495 DOI: 10.1002/cne.22693] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
The serotonergic innervation of the buccal musculature responsible for feeding (radula protraction) was investigated during the maturation of the pond snail, Lymnaea stagnalis L., applying light and electron microscopic immunohistochemistry and biochemical approaches. According to epifluorescence and laser confocal microscopy, the first 5-HT-like-immunoreactive (5-HTLIR) processes appeared on the surface of the musculature at the postmetamorphic E80% embryonic stage. Until hatching, the innervation continued to increase in density, showing axon arborizations with projections into the deeper muscle levels. An adult-like pattern of 5-HTLIR innervation appeared at P2-P3 juvenile stages. At the ultrastructural level, close (16-20 nm) but mostly unspecialized neuromuscular contacts were formed by both unlabeled and 5-HTLIR axon profiles from the E80% embryonic stage. Labeled processes were also found located relatively far from the muscle cells. An HPLC assay showed a gradual increase of the 5-HT level in the buccal mass during development. The buccal mass was characterized by a single-component high-affinity 5-HT uptake system, and 5-HT release could be evoked by 100 mM K(+) and blocked in Ca(2+) -free medium. It is suggested that 5-HT plays a wide modulatory role in the peripheral feeding system and is also involved in the functional maturation of the muscle system.
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Affiliation(s)
- Gábor Balog
- Department of Experimental Zoology, Balaton Limnological Research Institute, Hungarian Academy of Sciences, H-8237 Tihany, Hungary
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Rószer T, Kiss-Tóth E, Rózsa D, Józsa T, Szentmiklósi AJ, Bánfalvi G. Hypothermia translocates nitric oxide synthase from cytosol to membrane in snail neurons. Cell Tissue Res 2010; 342:191-203. [PMID: 20953631 DOI: 10.1007/s00441-010-1063-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2010] [Accepted: 09/15/2010] [Indexed: 01/28/2023]
Abstract
Neuronal nitric oxide (NO) levels are modulated through the control of catalytic activity of NO synthase (NOS). Although signals limiting excess NO synthesis are being extensively studied in the vertebrate nervous system, our knowledge is rather limited on the control of NOS in neurons of invertebrates. We have previously reported a transient inactivation of NOS in hibernating snails. In the present study, we aimed to understand the mechanism leading to blocked NO production during hypothermic periods of Helix pomatia. We have found that hypothermic challenge translocated NOS from the cytosol to the perinuclear endoplasmic reticulum, and that this cytosol to membrane trafficking was essential for inhibition of NO synthesis. Cold stress also downregulated NOS mRNA levels in snail neurons, although the amount of NOS protein remained unaffected in response to hypothermia. Our studies with cultured neurons and glia cells revealed that glia-neuron signaling may inhibit membrane binding and inactivation of NOS. We provide evidence that hypothermia keeps NO synthesis "hibernated" through subcellular redistribution of NOS.
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Affiliation(s)
- Tamás Rószer
- Department of Microbial Biotechnology and Cell Biology (formerly Animal Anatomy and Physiology), Faculty of Science and Technology, University of Debrecen, Debrecen, Hungary.
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Rigon P, de Castilhos J, Molina CG, Zancan DM, Achaval M. Distribution of NADPH-diaphorase activity in the central nervous system of the young and adult land snail Megalobulimus abbreviatus. Tissue Cell 2010; 42:307-13. [PMID: 20817239 DOI: 10.1016/j.tice.2010.07.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2009] [Revised: 07/03/2010] [Accepted: 07/08/2010] [Indexed: 12/01/2022]
Abstract
Nitric oxide (NO) is a gas produced through the action of nitric oxide synthase that acts as a neurotransmitter in the central nervous system (CNS) of adult gastropod mollusks. There are no known reports of the presence of NOS-containing neurons and glial cells in young and adult Megalobulimus abbreviatus. Therefore, NADPH-d histochemistry was employed to map the nitrergic distribution in the CNS of young and adult snails in an attempt to identify any transient enzymatic activity in the developing CNS. Reaction was observed in neurons and fibers in all CNS ganglia of both age groups, but in the pedal and cerebral ganglia, positive neurons were more intense than in other ganglia, forming clusters symmetrically located in both paired ganglia. However, neuronal NADPH-d activity in the mesocerebrum and pleural ganglia decreased from young to adult animals. In both age groups, positive glial cells were located beneath the ganglionic capsule, forming a network and surrounding the neuronal somata. The trophospongium of large and giant neurons was only visualized in young animals. Our results indicate the presence of a nitrergic signaling system in young and adult M. abbreviatus, and the probable involvement of glial cells in NO production.
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Affiliation(s)
- P Rigon
- Programa de Pós-Graduação em Neurociências Instituto de Ciências Básicas da Saúde, Universidade Federal do Rio Grande Do Sul (UFRGS), Rua Sarmento Leite 500, 90050-170 Porto Alegre, RS, Brazil
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Katzoff A, Miller N, Susswein AJ. Nitric oxide and histamine signal attempts to swallow: A component of learning that food is inedible in Aplysia. Learn Mem 2009; 17:50-62. [PMID: 20042482 DOI: 10.1101/lm.1624610] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Memory that food is inedible in Aplysia arises from training requiring three contingent events. Nitric oxide (NO) and histamine are released by a neuron responding to one of these events, attempts to swallow food. Since NO release during training is necessary for subsequent memory and NO substitutes for attempts to swallow, it was suggested that NO functions during training as a signal of attempts to swallow. However, it has been shown that NO may also be released in other contexts affecting feeding, raising the possibility that its role in learning is unrelated to signaling attempts to swallow. We confirmed that NO during learning signals attempts to swallow, by showing that a variety of behavioral effects on feeding of blocking or adding NO do not affect learning and memory that a food is inedible. In addition, histamine had effects similar to NO on learning that food is inedible, as expected if the transmitters are released together when animals attempt to swallow. Blocking histamine during training blocked long-term memory, and exogenous histamine substituted for attempts to swallow. NO also substituted for histamine during training. Histamine at concentrations relevant to learning activates neuron metacerebral cell (MCC). However, MCC activity is not a good monitor of attempts to swallow during training, since the neuron responds equally well to other stimuli. These findings support and extend the hypothesis that NO and histamine signal efforts to swallow during learning, acting on targets other than the MCC that specifically respond to attempts to swallow.
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Affiliation(s)
- Ayelet Katzoff
- The Leslie and Susan Gonda Multidisciplinary Brain Research Center, Bar Ilan University, Ramat Gan, Israel
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Rőszer T, Józsa T, Szentmiklósi AJ, Bánfalvi G. Acetylcholine inhibits nitric oxide (NO) synthesis in the gastropod nervous system. Cell Tissue Res 2009; 336:325-35. [DOI: 10.1007/s00441-009-0764-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2008] [Accepted: 01/13/2009] [Indexed: 12/16/2022]
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